Safety symbols alert you to possible danger and identify safety equipment you should use true or false

True

Explanation:

Based on the research from scientific scholars, many chemicals are dangerous because of the substances that are used to make them. For instance, when working on a laboratory, many objects are flammable, breakable, and sharp. Therefore, people working in such environments need to be aware of the dangers that may be caused by such items,

This is the primary reason; consequently, it is essential to have safety symbols to ensure the workplace is always safe for each individual.

question

which are human systems?

the amazon rain forest

the appalachian trail

the george washington bridge

the himalayas

the hoover dam

the north american free trade agreement